Google har offentliggjort en opdatering af lydkodeken Lyra 0.0.2, der er optimeret til at opn\u00e5 maksimal kvalitet i taleoverf\u00f8rsel ved brug af meget langsomme kommunikationskanaler. Kodeken blev \u00e5bnet i begyndelsen af april, men blev leveret sammen med et propriet\u00e6rt matematisk bibliotek. I version 0.0.2 er denne mangel blevet rettet, og der er skabt et \u00e5bent alternativ til det n\u00e6vnte bibliotek — sparse_matmul, som ligesom selve kodeken distribueres under Apache 2.0-licensen. Blandt de andre forbedringer kan n\u00e6vnes muligheden for at bruge build-systemet Bazel med GCC-kompilatoren og at denne kombination bruges som standard i Linux i stedet for Bazel+Clang. <\/p>\n
Det skal understreges, at n\u00e5r det kommer til kvaliteten af de overf\u00f8rte stemmedata ved lave hastigheder, overg\u00e5r Lyra v\u00e6sentligt traditionelle kodeker, der anvender metoder til digital signalbehandling. For at opn\u00e5 h\u00f8j kvalitet i taleoverf\u00f8rsel under begr\u00e6nsede informationsm\u00e6ngder, anvendes udover almindelige metoder til kompression af lyd og signalbehandling i Lyra en talsystemmodel baseret p\u00e5 maskinl\u00e6ring, der g\u00f8r det muligt at genskabe manglende oplysninger baseret p\u00e5 typiske karakteristika ved tale. Den model, der er anvendt til at generere lyd, er tr\u00e6net ved hj\u00e6lp af flere tusinde timers optagelser af stemmer p\u00e5 mere end 70 sprog. Ydelsen i den foresl\u00e5ede implementering er tilstr\u00e6kkelig til at kode og dekode tale i realtid p\u00e5 smartphones i mellemprisklassen, med forsinkelse under signaloverf\u00f8rsel p\u00e5 niveau med 90 millisekunder. \u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u0430\u0443\u0434\u0438\u043e\u043a\u043e\u0434\u0435\u043a\u0430 Lyra 0.0.2, \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u0434\u043b\u044f \u0434\u043e\u0441\u0442\u0438\u0436\u0435\u043d\u0438\u044f \u043c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0430 \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0438 \u0440\u0435\u0447\u0438 \u043f\u0440\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0438 \u043e\u0447\u0435\u043d\u044c \u043c\u0435\u0434\u043b\u0435\u043d\u043d\u044b\u0445 \u043a\u0430\u043d\u0430\u043b\u043e\u0432 \u0441\u0432\u044f\u0437\u0438. \u041a\u043e\u0434\u0435\u043a \u0431\u044b\u043b \u043e\u0442\u043a\u0440\u044b\u0442 \u0432 \u043d\u0430\u0447\u0430\u043b\u0435 \u0430\u043f\u0440\u0435\u043b\u044f, \u043d\u043e \u043f\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u043b\u0441\u044f \u0432 \u043f\u0440\u0438\u0432\u044f\u0437\u043a\u0435 \u043a \u043f\u0440\u043e\u043f\u0440\u0438\u0435\u0442\u0430\u0440\u043d\u043e\u0439 \u043c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0435. \u0412 \u0432\u0435\u0440\u0441\u0438\u0438 0.0.2 \u0434\u0430\u043d\u043d\u044b\u0439 \u043d\u0435\u0434\u043e\u0441\u0442\u0430\u0442\u043e\u043a \u0443\u0441\u0442\u0440\u0430\u043d\u0451\u043d \u0438 \u0434\u043b\u044f \u0443\u043a\u0430\u0437\u0430\u043d\u043d\u043e\u0439 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 \u0441\u043e\u0437\u0434\u0430\u043d\u0430 \u043e\u0442\u043a\u0440\u044b\u0442\u0430\u044f \u0437\u0430\u043c\u0435\u043d\u0430 — sparse_matmul, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043a\u0430\u043a \u0438 \u0441\u0430\u043c \u043a\u043e\u0434\u0435\u043a \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-100668","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Google har \u00e5bnet de manglende kildekoder for lydkodeken Lyra | ProHoster","description":"Google har offentliggjort en opdatering af lydkodeken Lyra 0.0.2, der er optimeret til at opn\u00e5 maksimal taleoverf\u00f8rselskvalitet ved brug af meget langsomme 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Kilde: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"